Home / 142,108.22-213,163.25-97,600.04

Finding the Fourth Proportional to 142,108.22, 213,163.25 and 97,600.04

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Solution

The fourth proportional to 142,108.22, 213,163.25 and 97,600.04 is: 146,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,108.22 : 213,163.25 = 97,600.04 : x
  2. Step 2: Convert to fraction form
    142,108.22/213,163.25 = 97,600.04/x
  3. Step 3: Cross multiply
    142,108.22x = 213,163.25 × 97,600.04
  4. Step 4: Simplify right side
    142,108.22x = 20,804,740,972.08
  5. Step 5: Solve for x
    x = 20,804,740,972.08/142,108.22
  6. Step 6: Final answer
    x = 146,400.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.